220110321012320 has 96 divisors (see below), whose sum is σ = 521693470404288. Its totient is φ = 87759248836608.

The previous prime is 220110321012269. The next prime is 220110321012331. The reversal of 220110321012320 is 23210123011022.

It is a super-2 number, since 2×220110321012320² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 220110321012292 and 220110321012301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646864949 + ... + 647205131.

It is an arithmetic number, because the mean of its divisors is an integer number (5434306983378).

Almost surely, 2^{220110321012320} is an apocalyptic number.

220110321012320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220110321012320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260846735202144).

220110321012320 is an abundant number, since it is smaller than the sum of its proper divisors (301583149391968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220110321012320 is a wasteful number, since it uses less digits than its factorization.

220110321012320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353272 (or 353264 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 220110321012320 its reverse (23210123011022), we get a palindrome (243320444023342).

The spelling of 220110321012320 in words is "two hundred twenty trillion, one hundred ten billion, three hundred twenty-one million, twelve thousand, three hundred twenty".